Invention Grant
- Patent Title: Exhaust line for an internal-combustion engine having a shut-off valve with a diagnostic capability
- Patent Title (中): 具有具有诊断能力的截止阀的内燃机的排气管路
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Application No.: US12249369Application Date: 2008-10-10
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Publication No.: US08468804B2Publication Date: 2013-06-25
- Inventor: Hubert Graf
- Applicant: Hubert Graf
- Applicant Address: DE Munich
- Assignee: Bayerische Motoren Werke Aktiengesellschaft
- Current Assignee: Bayerische Motoren Werke Aktiengesellschaft
- Current Assignee Address: DE Munich
- Agency: Crowell & Moring LLP
- Priority: DE102007049171 20071013
- Main IPC: F01N3/00
- IPC: F01N3/00 ; F01N5/04 ; F01N3/10 ; F01N1/00 ; E03B7/07 ; F16K37/00 ; F17D3/00
Abstract:
An exhaust line of an internal-combustion engine contains a catalyst and a bypass pipe bypassing the catalyst. The bypass pipe can be shut-off by way of a shut-off valve. The shut-off valve has a diagnostic device for diagnosing a tightness of the shut-off valve.
Public/Granted literature
- US20090094970A1 Exhaust Line for an Internal-Combustion Engine Having a Shut-Off Valve with a Diagnostic Capability Public/Granted day:2009-04-16
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